Color

#3cbeaa

#3cbeaa
hex#3cbeaa
rgbrgb(60, 190, 170)
hslhsl(171, 52%, 49%)
oklchoklch(0.727 0.115 180.5)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4069

Colors that go with #3cbeaa

Charcoal, Hot Pink and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#be3c4f

#3cbe69 · #3c90be

#aa3cbe · #beaa3c

Split-complementary

Open in tool →

#be3c90 · #be693c

#693cbe · #be3c4f · #90be3c

Contrast

#3cbeaa as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #2a8476 as the text (4.51:1)
  • AAA: use #1f6157 as the text (7.23:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #212121 (7.01:1)
Aaon black
9.14:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3cbeaa as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #3cbeaa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3cbeaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cbeaa-a2bebd-d459a7-1f292d-e9f1ec?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md